The American lion (Panthera atrox) may have roared, while the saber-toothed cat Smilodon fatalis may have produced vocalizations similar to living purring...
Dubbed the Coliseum, the newly-discovered paleontological site contains ornithopod, ceratopsid, and large and small-bodied avian and non-avian theropod...
A new genus and species of eutherian mammal has been described from a handful of tiny teeth found in the Prince Creek Formation in northern Alaska, the...
The golden-crowned sparrow (Zonotrichia atricapilla) is a large species of New World sparrow found in the western part of North America. University of...
Living amphibians include frogs and salamanders and the limbless worm-like caecilians (order Gymnophiona). Caecilians have cylindrical bodies with a compact,...
To be able to fly soon after hatching from the egg, a bird or pterosaur must have well-developed wings. Studies of small-bodies pterosaur species from...
Now known for its sports teams, Harleys, and beer, early Milwaukee County, Wisconsin was one of the nation’s leading producers of natural cement, and...
Rimrock Draw Rockshelter in Oregon, the United States, is one of the oldest human-occupation sites in North America.
Rimrock Draw Rockshelter in Oregon,...
Paleontologists say they collected numerous vertebrate specimens from the Late Jurassic Malone Formation in the Malone Mountains of western Texas, the...
Olympicetus thalassodon is one of several that are helping us understand the early history and diversification of modern dolphins, porpoises and other...
The rusty patched bumblebee (Bombus affinis) is an important pollinator in North America and a federally listed endangered species. Putting together its...
A new genus and species of mosasaurid being named Sarabosaurus dahli has been discovered by a team of paleontologists from the United States, the Netherlands...
Paleontologists in the United States have identified a new genus and species of early arctoid from an exquisitely preserved skeleton found in North Dakota’s...
Paleontologists have identified a new species of iguanodontian dinosaur from a partial skeleton found in the Cedar Mountain Formation, Utah, the United...
A new genus and species of pachycephalosaurid dinosaur has been described from a partial skull found in Montana, the United States.
Life reconstruction...
Scientists from the Florida Museum of Natural History and elsewhere have sequenced 391 genes from nearly 2,300 butterfly species, sampled from 90 countries...
Paleontologists have identified a new genus and species of hyperodapedontine rhynchosaur from several specimens unearthed in central Wyoming, the United...
The Fossil Lake deposits of the Green River Formation of Wyoming in the United States have produced nearly 30 bat fossils over the last 50 years. However,...
Siren sphagnicola inhabits seepage areas in the eastern Gulf Coastal Plain of the United States.
Siren sphagnicola, an adult hypertrophic male with a partially...
